Discuss turn signal help, 1968 mustang on AllFordMustangs.com, the place for Mustang enthusiasts.

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Okay i have A 1968 mustang and the rear turn signal works and the hood turn signal works but when i hit the turn signal to right the front front doesn't work, but the rear and the hood does and it does on the inside also. im starting to wonder if it even has turn signal lights in the front cause i checked all the bulbs and their okay. i am wondering where are my turn signal lights? and also what are the lights located below the headlights their smaller and i have never seen them on nomatter what i push....

Hello. If you are talking about the lights indicated by the arrow in the picture, then those are your parking lights and front turn signal indicators. If you pull the headlight switch out to the first position, so that the tail lights are on but the headlights aren't, those front parking lights should be on. If they don't come on, remove the bulb from one and check and see if it's getting power with a volt meter. If yes, the bulbs are bad. If no, check the wiring. Hope that helps.

The parking light and turn signal are two different circuits. The bulb itself has two completely separate filiaments. The only thing that the two filiaments share is the ground. If you look at the base of the bulb, you will see two contact points. There is the possibility of one filiament failing and the other still working. This is usually the case, it is rare to have both to fail at the same time with normal use.

Usually when the turn signal side of the bulb fails, the flashing rate will increase. This is a feature that is built into the flasher unit itself so that the driver will know of a nonfunctioning turn signal.

I hope that you checked both filiaments of the bulbs when you tested them.

Hello. If you are talking about the lights indicated by the arrow in the picture, then those are your parking lights and front turn signal indicators. If you pull the headlight switch out to the first position, so that the tail lights are on but the headlights aren't, those front parking lights should be on. If they don't come on, remove the bulb from one and check and see if it's getting power with a volt meter. If yes, the bulbs are bad. If no, check the wiring. Hope that helps.

okay well turns out one of the signals worked but it wasn't the light that you indicated. it was the square thing on the side....

Hi again. That's the side marker light, which is also supposed to blink. The parking light on the front that is indicated by the arrow will have three wires coming out of the back of of it. One is the ground, one is the turn signal power and the other is the parking light power, as The Greek has already said. If your side marker lights are working, then the problem won't be the ground, as they have a common ground with the front turn signal/ parking lights. You know that the turn signal switch is working. You now know that the ground on the front turn signals is good. That leaves a very short list of possibilities. Either your socket is all corroded underneath the bulb, your bulb is dead, or the wire supplying power to the front turn signal has some sort of issue. If you determined that your bulbs are ok by any means other than actually seeing them light up, replace them, because this really sounds like a blown bulb problem. Good luck